pptx_add_icon · Pptx MCP: Risk & Policy

WHAT IT DOES

What pptx_add_icon does on Pptx

AI agents use pptx_add_icon to create or update resources in Pptx — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pptx environment.

WHY IT NEEDS A POLICY

Why pptx_add_icon needs a policy

Adding an icon to a slide is a reversible modification operation (Write category). It does not execute arbitrary code, delete data, move money, or irreversibly alter content. The empty description lowers confidence slightly, but the pattern of sibling tools and the server's documented purpose make the Write classification clear.

From the tool's definition Tool name 'pptx_add_icon' suggests adding/inserting content into a PowerPoint presentation. Sibling tools like 'pptx_add_bullet_block', 'pptx_add_chart', 'pptx_add_image' all modify presentations reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pptx_add_icon Rate-limited

pptx_add_icon stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pptx_add_icon": {
      "limits": [
        {
          "counter": "pptx_add_icon_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Pptx, so you can run agents against it safely.

FAQ

Questions about pptx_add_icon

What does the pptx_add_icon tool do? +

pptx_add_icon. It is categorised as a Write tool in the Pptx MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pptx_add_icon? +

Register the Pptx MCP server in PolicyLayer and add a rule for pptx_add_icon: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Pptx. Nothing to install.

What risk level is pptx_add_icon? +

pptx_add_icon is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit pptx_add_icon? +

Yes. Add a rate_limit block to the pptx_add_icon rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block pptx_add_icon completely? +

Set action: deny in the PolicyLayer policy for pptx_add_icon. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides pptx_add_icon? +

pptx_add_icon is provided by the Pptx MCP server (knorq-ai/pptx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.